import 'package:flutter/material.dart';

class ListView01 extends StatelessWidget {
  const ListView01({Key? key}) : super(key: key);

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(title: const Text("list view 01"),),
      body: Container(
        padding: const EdgeInsets.all(20),
        child: ListView.builder(
          itemCount: 200,
          itemExtent: 50,
          itemBuilder: (BuildContext context, int index) {
            return ListTile(title: Text("$index"),);
          },
        ),
      ),
    );
  }
}
